| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.fs.azurebfs.diagnostics; |
| |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.fs.azurebfs.contracts.diagnostics.ConfigurationValidator; |
| import org.apache.hadoop.fs.azurebfs.contracts.exceptions.InvalidConfigurationValueException; |
| |
| /** |
| * Long configuration value Validator. |
| */ |
| @InterfaceStability.Evolving |
| public class LongConfigurationBasicValidator extends ConfigurationBasicValidator<Long> implements ConfigurationValidator { |
| private final long min; |
| private final long max; |
| |
| public LongConfigurationBasicValidator(final long min, final long max, final long defaultVal, final String configKey, final boolean throwIfInvalid) { |
| super(configKey, defaultVal, throwIfInvalid); |
| this.min = min; |
| this.max = max; |
| } |
| |
| public Long validate(final String configValue) throws InvalidConfigurationValueException { |
| Long result = super.validate(configValue); |
| if (result != null) { |
| return result; |
| } |
| |
| try { |
| result = Long.parseLong(configValue); |
| // throw an exception if a 'within bounds' value is missing |
| if (getThrowIfInvalid() && (result < this.min || result > this.max)) { |
| throw new InvalidConfigurationValueException(getConfigKey()); |
| } |
| |
| // set the value to the nearest bound if it's out of bounds |
| if (result < this.min) { |
| return this.min; |
| } else if (result > this.max) { |
| return this.max; |
| } |
| } catch (NumberFormatException ex) { |
| throw new InvalidConfigurationValueException(getConfigKey(), ex); |
| } |
| |
| return result; |
| } |
| } |